FlashOne.ai vs Grey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlashOne.ai
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Unlock the smartest way to learn with our AI-driven flashcard app! Instantly generate highly detailed, structured decks with outline-level hierarchy, ensuring optimal organization for any topic. Make them beautiful and visual with images. Powered by the latest providers: Gemini, OpenAI, Mistral, xAI (Grok), Groq, Meta Llama, Qwen, Deepseek AI Image Generation – Bring your flashcards to life with stunning, custom-generated visuals. Instant Deck Creation – Just input your topic, and let AI build your structured flashcards in seconds. One-Click Sharing – Share your decks effortlessly with friends, students, or colleagues. Offline Ready – Study anytime, anywhere, without needing an internet connection. Whether you’re a student, educator, or lifelong learner, our app makes mastering knowledge easier than ever. Try it today! https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Grey
This platform helps medical students study efficiently with organized question banks and an intuitive interface. It offers theoretical and practical learning, smart exam modes, and detailed explanations to prepare students for exams. Track your progress and personalize your study experience for confident exam preparation.
- Comprehensive medical question banks
- Theoretical and practical learning
- Smart exam modes
- Detailed explanations
- Performance analytics
- Personalized study experience
- Cloud synchronization
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Grey Matter is a modern medical education platform designed to help medical students study smarter, practice effectively, and prepare confidently for exams. The app combines organized theoretical and practical question banks with an intuitive learning experience, allowing students to review, practice, and monitor their progress in one place. Features include: • Comprehensive medical question banks • Theoretical and practical learning • Smart exam modes • Detailed explanations • Performance analytics and progress tracking • Bookmark important questions • Personalized study experience • Fast and intuitive interface • Secure cloud synchronization • Regular content updates Grey Matter is developed to support medical education with a clean, reliable, and efficient learning environment for students and healthcare learners.
Screenshots
Verdict
The clearest difference is in-app purchases: Grey at none against FlashOne.ai's 4. Grey also leads on ads (none vs shown) and iOS requirement (15.0 vs 17). On price, update cadence and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. FlashOne.ai sells 4 in-app purchases, starting at $6.99 per month. Grey asks for nothing beyond the download.
FlashOne.ai ships an update every 3 weeks, Grey every 5 weeks. Both last shipped on October 7, 2026.
| Parameter | FlashOne.ai | Grey |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17 | 15.0 — better |
| Further details — not scored | ||
| Size | 119 MB | 97 MB |
| Age rating | 4+ | 4+ |
| Developer | Sunshine Whitton | Saifuldeen Al-Bajjari |
In-app purchases
FlashOne.ai
- Monthly Premium Access$6.991 Month
- Monthly Pro Access$9.991 Month
- Annual Premium Access$45.991 Year
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- Annual Pro Access$75.991 Year
Grey
No in-app purchases









